// Copyright (C) 2016 The V8 Project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-isnan-number
description: >
  The length property of isNaN is 1
includes: [propertyHelper.js]
---*/

function Test() {
    assert.sameValue(isNaN.length, 1, "The value of `isNaN.length` is `1`");

    verifyNotEnumerable(isNaN, "length");
    verifyNotWritable(isNaN, "length");
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_TEST; i++) {
    Test();
}
